Smoking gun: Top Gear in the Jag XFR-S

Despite Jag having upped the spring rates by 30 per cent from the standard 500bhp XFR, there's still a bit of body roll. Quite a bit, actually, to the extent it robs a little accuracy and adds a little delay into cornering, assisted along the way by the XFR-S's excessive 1,987kg kerbweight. (Was Jag meant to be taking diet advice from Land Rover, or was it the other way round?). It's a step on from the almost lazy, languid manners of the non-S version but, along with the placid ride, isn't quite in keeping with my expectations. Another 30 per cent tighter might not have been a bad thing.